blackoildispersionmodule.hh

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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
/*
  This file is part of the Open Porous Media project (OPM).
 
  OPM is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 2 of the License, or
  (at your option) any later version.
 
  OPM is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
 
  Consult the COPYING file in the top-level source directory of this
  module for the precise wording of the license and the list of
  copyright holders.
*/
#ifndef EWOMS_DISPERSION_MODULE_HH
#define EWOMS_DISPERSION_MODULE_HH
 
#include <dune/common/fvector.hh>
 
#include <opm/material/common/MathToolbox.hpp>
#include <opm/material/common/Valgrind.hpp>
 
#include <opm/models/blackoil/blackoilmodules.hpp>
#include <opm/models/blackoil/blackoilproperties.hh>
#include <opm/models/common/multiphasebaseproperties.hh>
#include <opm/models/discretization/common/fvbaseproperties.hh>
 
#include <opm/input/eclipse/EclipseState/EclipseState.hpp>
#include <opm/common/OpmLog/OpmLog.hpp>
 
#include <array>
#include <cmath>
#include <stdexcept>
 
namespace Opm {
 
template <class TypeTag>
class BlackOilDispersionModule<TypeTag, /*enableDispersion=*/true>
{
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using Evaluation = GetPropType<TypeTag, Properties::Evaluation>;
    using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
    using IntensiveQuantities = GetPropType<TypeTag, Properties::IntensiveQuantities>;
    using ElementContext = GetPropType<TypeTag, Properties::ElementContext>;
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
    using Model = GetPropType<TypeTag, Properties::Model>;
    using Simulator = GetPropType<TypeTag, Properties::Simulator>;
    using RateVector = GetPropType<TypeTag, Properties::RateVector>;
    using Indices = GetPropType<TypeTag, Properties::Indices>;
 
    enum { numPhases = FluidSystem::numPhases };
    enum { numComponents = FluidSystem::numComponents };
    enum { conti0EqIdx = Indices::conti0EqIdx };
    static constexpr bool enableBioeffects = getPropValue<TypeTag, Properties::EnableBioeffects>();
    static constexpr bool enableDispersion = true;
    enum { enableMICP = Indices::enableMICP };
 
    static constexpr unsigned contiMicrobialEqIdx = Indices::contiMicrobialEqIdx;
    static constexpr unsigned contiOxygenEqIdx = Indices::contiOxygenEqIdx;
    static constexpr unsigned waterPhaseIdx = FluidSystem::waterPhaseIdx;
    static constexpr unsigned contiUreaEqIdx = Indices::contiUreaEqIdx;
 
    using Toolbox = MathToolbox<Evaluation>;
 
public:
    using ExtensiveQuantities = BlackOilDispersionExtensiveQuantities<TypeTag,true>;
 
    static void initFromState(const EclipseState& eclState)
    {
        if (!eclState.getSimulationConfig().rock_config().dispersion()) {
            return;
        }
 
        if (eclState.getSimulationConfig().hasVAPWAT() || eclState.getSimulationConfig().hasVAPOIL()) {
            OpmLog::warning("Dispersion is activated in combination with VAPWAT/VAPOIL. \n"
                            "Water/oil is still allowed to vaporize, but dispersion in the "
                            "gas phase is ignored.");
        }
    }
 
    template <class Context>
    static void addDispersiveFlux(RateVector& flux, const Context& context,
                                  unsigned spaceIdx, unsigned timeIdx)
    {
        // Only work if dispersion is enabled by DISPERC in the deck
        if (!context.simulator().vanguard().eclState().getSimulationConfig().rock_config().dispersion()) {
            return;
        }
        const auto& extQuants = context.extensiveQuantities(spaceIdx, timeIdx);
        const auto& inIq = context.intensiveQuantities(extQuants.interiorIndex(), timeIdx);
        const auto& exIq = context.intensiveQuantities(extQuants.exteriorIndex(), timeIdx);
        const auto& dispersivity = extQuants.dispersivity();
        const auto& normVelocityAvg = extQuants.normVelocityAvg();
        addDispersiveFlux(flux, inIq, exIq, dispersivity, normVelocityAvg);
    }
 
    template<class IntensiveQuantities, class Scalar>
    static void addDispersiveFlux(RateVector& flux,
                                  const IntensiveQuantities& inIq,
                                  const IntensiveQuantities& exIq,
                                  const Evaluation& dispersivity,
                                  const Scalar& normVelocityAvg)
    {
        const auto& inFs = inIq.fluidState();
        const auto& exFs = exIq.fluidState();
        Evaluation diffR = 0.0;
        if constexpr(enableBioeffects) {
            // The dispersion coefficients are given for mass concentrations
            const Evaluation bAvg = (inFs.invB(waterPhaseIdx) + Toolbox::value(exFs.invB(waterPhaseIdx))) / 2;
            diffR = inIq.microbialConcentration() - Toolbox::value(exIq.microbialConcentration());
            flux[contiMicrobialEqIdx] +=
                 bAvg *
                 normVelocityAvg[waterPhaseIdx] *
                 dispersivity *
                 diffR;
            if constexpr(enableMICP) {
                diffR = inIq.oxygenConcentration() - Toolbox::value(exIq.oxygenConcentration());
                flux[contiOxygenEqIdx] +=
                    bAvg *
                    normVelocityAvg[waterPhaseIdx] *
                    dispersivity *
                    diffR;
                diffR = inIq.ureaConcentration() - Toolbox::value(exIq.ureaConcentration());
                flux[contiUreaEqIdx] +=
                    bAvg *
                    normVelocityAvg[waterPhaseIdx] *
                    dispersivity *
                    diffR;
                return;
            }
        }
 
        unsigned pvtRegionIndex = inFs.pvtRegionIndex();
        for (unsigned phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
            if (!FluidSystem::phaseIsActive(phaseIdx)) {
                continue;
            }
 
            // no dispersion in water for blackoil models unless water can contain dissolved gas
            if (!FluidSystem::enableDissolvedGasInWater() && FluidSystem::waterPhaseIdx == phaseIdx) {
                continue;
            }
 
            // adding dispersion in the gas phase leads to
            // convergence issues and unphysical results.
            // we disable dispersion in the gas phase for now
            if (FluidSystem::gasPhaseIdx == phaseIdx) {
                continue;
            }
 
            // arithmetic mean of the phase's b factor
            Evaluation bAvg = inFs.invB(phaseIdx);
            bAvg += Toolbox::value(exFs.invB(phaseIdx));
            bAvg /= 2;
 
            Evaluation convFactor = 1.0;
            if (FluidSystem::enableDissolvedGas() &&
                FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx) &&
                phaseIdx == FluidSystem::oilPhaseIdx)
            {
                const Evaluation rsAvg = (inFs.Rs() + Toolbox::value(exFs.Rs())) / 2;
                convFactor = 1.0 / (toMassFractionGasOil(pvtRegionIndex) + rsAvg);
                diffR = inFs.Rs() - Toolbox::value(exFs.Rs());
            }
            if (FluidSystem::enableVaporizedOil() &&
                FluidSystem::phaseIsActive(FluidSystem::oilPhaseIdx) &&
                phaseIdx == FluidSystem::gasPhaseIdx)
            {
                const Evaluation rvAvg = (inFs.Rv() + Toolbox::value(exFs.Rv())) / 2;
                convFactor = toMassFractionGasOil(pvtRegionIndex) /
                             (1.0 + rvAvg * toMassFractionGasOil(pvtRegionIndex));
                diffR = inFs.Rv() - Toolbox::value(exFs.Rv());
            }
            if (FluidSystem::enableDissolvedGasInWater() && phaseIdx == FluidSystem::waterPhaseIdx) {
                const Evaluation rsAvg = (inFs.Rsw() + Toolbox::value(exFs.Rsw())) / 2;
                convFactor = 1.0 / (toMassFractionGasWater(pvtRegionIndex) + rsAvg);
                diffR = inFs.Rsw() - Toolbox::value(exFs.Rsw());
            }
            if (FluidSystem::enableVaporizedWater() && phaseIdx == FluidSystem::gasPhaseIdx) {
                const Evaluation rvAvg = (inFs.Rvw() + Toolbox::value(exFs.Rvw())) / 2;
                convFactor = toMassFractionGasWater(pvtRegionIndex) /
                             (1.0 + rvAvg * toMassFractionGasWater(pvtRegionIndex));
                diffR = inFs.Rvw() - Toolbox::value(exFs.Rvw());
            }
 
            // mass flux of solvent component
            const unsigned solventCompIdx = FluidSystem::solventComponentIndex(phaseIdx);
            const unsigned activeSolventCompIdx = FluidSystem::canonicalToActiveCompIdx(solventCompIdx);
            flux[conti0EqIdx + activeSolventCompIdx] +=
                    -bAvg *
                    normVelocityAvg[phaseIdx] *
                    convFactor *
                    dispersivity *
                    diffR;
 
            // mass flux of solute component
            const unsigned soluteCompIdx = FluidSystem::soluteComponentIndex(phaseIdx);
            const unsigned activeSoluteCompIdx = FluidSystem::canonicalToActiveCompIdx(soluteCompIdx);
            flux[conti0EqIdx + activeSoluteCompIdx] +=
                    bAvg *
                    normVelocityAvg[phaseIdx] *
                    convFactor *
                    dispersivity *
                    diffR;
        }
    }
 
private:
    static Scalar toMassFractionGasOil (unsigned regionIdx)
    {
        const Scalar rhoO = FluidSystem::referenceDensity(FluidSystem::oilPhaseIdx, regionIdx);
        const Scalar rhoG = FluidSystem::referenceDensity(FluidSystem::gasPhaseIdx, regionIdx);
        return rhoO / rhoG;
    }
 
    static Scalar toMassFractionGasWater (unsigned regionIdx)
    {
        const Scalar rhoW = FluidSystem::referenceDensity(FluidSystem::waterPhaseIdx, regionIdx);
        const Scalar rhoG = FluidSystem::referenceDensity(FluidSystem::gasPhaseIdx, regionIdx);
        return rhoW / rhoG;
    }
};
 
template <class TypeTag>
class BlackOilDispersionIntensiveQuantities<TypeTag, /*enableDispersion=*/true>
{
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using ElementContext = GetPropType<TypeTag, Properties::ElementContext>;
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
    using Indices = GetPropType<TypeTag, Properties::Indices>;
 
    enum { numPhases = FluidSystem::numPhases };
    enum { numComponents = FluidSystem::numComponents };
    enum { oilPhaseIdx = FluidSystem::oilPhaseIdx };
    enum { gasPhaseIdx = FluidSystem::gasPhaseIdx };
    enum { waterPhaseIdx = FluidSystem::waterPhaseIdx };
    enum { gasCompIdx = FluidSystem::gasCompIdx };
    enum { oilCompIdx = FluidSystem::oilCompIdx };
    enum { waterCompIdx = FluidSystem::waterCompIdx };
    enum { conti0EqIdx = Indices::conti0EqIdx };
    static constexpr bool enableDispersion = true;
 
public:
    Scalar normVelocityCell(unsigned phaseIdx) const
    { return normVelocityCell_[phaseIdx]; }
 
protected:
    template<class ElementContext>
    void update_(const ElementContext& elemCtx, unsigned dofIdx, unsigned timeIdx)
    {
        // Only work if dispersion is enabled by DISPERC in the deck
        if (!elemCtx.simulator().vanguard().eclState().getSimulationConfig().rock_config().dispersion()) {
            return;
        }
        const auto& problem = elemCtx.simulator().problem();
        if (problem.model().linearizer().getVelocityInfo().empty()) {
            return;
        }
        const std::array<int, 3> phaseIdxs = {gasPhaseIdx, oilPhaseIdx, waterPhaseIdx};
        const std::array<int, 3> compIdxs = {gasCompIdx, oilCompIdx, waterCompIdx};
        const auto& velocityInf = problem.model().linearizer().getVelocityInfo();
        const unsigned globalDofIdx = elemCtx.globalSpaceIndex(dofIdx, timeIdx);
        const auto& velocityInfos = velocityInf[globalDofIdx];
        for (unsigned i = 0; i < phaseIdxs.size(); ++i) {
            normVelocityCell_[i] = 0;
        }
        for (const auto& velocityInfo : velocityInfos) {
            for (unsigned i = 0; i < phaseIdxs.size(); ++i) {
                if (FluidSystem::phaseIsActive(phaseIdxs[i])) {
                    normVelocityCell_[phaseIdxs[i]] = std::max(normVelocityCell_[phaseIdxs[i]],
                        std::abs(velocityInfo.velocity[conti0EqIdx +
                                 FluidSystem::canonicalToActiveCompIdx(compIdxs[i])]));
                }
            }
        }
    }
 
private:
    std::array<Scalar, numPhases> normVelocityCell_{};
};
 
template <class TypeTag>
class BlackOilDispersionExtensiveQuantities<TypeTag, /*enableDispersion=*/true>
{
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
    using IntensiveQuantities = GetPropType<TypeTag, Properties::IntensiveQuantities>;
 
    enum { numPhases = getPropValue<TypeTag, Properties::NumPhases>() };
 
public:
    using ScalarArray = std::array<Scalar, numPhases>;
    static void update(ScalarArray& normVelocityAvg,
                       const IntensiveQuantities& intQuantsInside,
                       const IntensiveQuantities& intQuantsOutside)
    {
        for (unsigned phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
            if (!FluidSystem::phaseIsActive(phaseIdx)) {
                continue;
            }
            // use the arithmetic average for the effective
            // velocity coefficients at the face's integration point.
            normVelocityAvg[phaseIdx] =
                0.5 * (intQuantsInside.normVelocityCell(phaseIdx) +
                       intQuantsOutside.normVelocityCell(phaseIdx));
            Valgrind::CheckDefined(normVelocityAvg[phaseIdx]);
        }
    }
 
protected:
    template <class Context, class FluidState>
    void updateBoundary_(const Context&,
                         unsigned,
                         unsigned,
                         const FluidState&)
    { throw std::runtime_error("Not implemented: Dispersion across boundary not implemented for blackoil"); }
 
public:
    Scalar dispersivity() const
    { return dispersivity_; }
 
    Scalar normVelocityAvg(unsigned phaseIdx) const
    { return normVelocityAvg_[phaseIdx]; }
 
    const auto& normVelocityAvg() const
    { return normVelocityAvg_; }
 
private:
    Scalar dispersivity_;
    ScalarArray normVelocityAvg_;
};
 
} // namespace Opm
 
#endif